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This patch adds the variable compilation and uses a scope (a stack of
map) to lookup for identities.
Today we use a vector + ref_entry structs in order to achieve the scope
implementation. The ref_entry lacks memory management, we are still no
sure who will be the owner of the pointer.
We also want to replace the scope a hashtable_t type as soon as we get
one.
Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
Co-authored-by: Carlos Maniero <carlosmaniero@gmail.com>
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I decided to remove the visitor pattern due to the lack of Object
Oriented Programming support for C. Now if you want to navigate through
the AST, you should do it with switch case and recursion.
The code looks way simpler without visitor pattern.
I have added a CFLAG -Werror which validates if the switch statement
covers all branches for a given enum at compile time.
Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
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We want to keep the code style consistent, this first commit adds a
.clang-format in order to "document" our style code.
This patch also adds a target *linter* to Makefile which will complain
if we have any style issue on test and src dirs.
I have run the follow command to create the .clang-format file:
$ clang-format -style=mozilla -dump-config > .clang-format
And I also made some adjusts to .clang-format changing the following
properties:
PointerAlignment: Right
ColumnLimit: 120
Commands executed to fix the current styling:
$ find . -name *.h | xargs clang-format -i
$ find . -name *.c | xargs clang-format -i
Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
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In the future we want to have the possibility of traverse the tree and
pretty print it or generate binary for other platform like LLVM or
transpile to C.
This solution also implements the gas assembly x86_64 Linux code
generation by using the visitor interface.
Signed-off-by: Johnny Richard <johnny@johnnyrichard.com>
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